CSS #firstCarousel, CSS , #secondCarousel. :
#secondCarousel .carousel-inner .active.left { left: -33%; }
#secondCarousel .carousel-inner .next { left: 33%; }
#secondCarousel .carousel-inner .prev { left: -33%; }
#firstCarousel .carousel-inner .next { left: 33%; }
#firstCarousel .carousel-inner .prev { left: -33%; }
CSS :
.carousel-inner .next { left: 33%; }
.carousel-inner .prev { left: -33%; }